1002101213221 has 8 divisors (see below), whose sum is σ = 1037892038400. Its totient is φ = 966392762160.

The previous prime is 1002101213131. The next prime is 1002101213237. The reversal of 1002101213221 is 1223121012001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1002101213221 - 2⁷ = 1002101213093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002101213195 and 1002101213204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002101213251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20568765 + ... + 20617426.

It is an arithmetic number, because the mean of its divisors is an integer number (129736504800).

Almost surely, 2^{1002101213221} is an apocalyptic number.

It is an amenable number.

1002101213221 is a deficient number, since it is larger than the sum of its proper divisors (35790825179).

1002101213221 is an equidigital number, since it uses as much as digits as its factorization.

1002101213221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41187059.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1002101213221 its reverse (1223121012001), we get a palindrome (2225222225222).

The spelling of 1002101213221 in words is "one trillion, two billion, one hundred one million, two hundred thirteen thousand, two hundred twenty-one".